http://www.cnr.it/ontology/cnr/individuo/prodotto/ID20037
Trace elements in Vostok Antarctic ice during the last four climatic cycles. (Articolo in rivista)
- Type
- Label
- Trace elements in Vostok Antarctic ice during the last four climatic cycles. (Articolo in rivista) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
- Alternative label
Gabrielli P., Planchon F.A.M., Hong S., Hyun Lee K., Soon Do Hur, Barbante C., Ferrari C.P., Petit J.R., Lipenkov V.Y., Cescon P., Boutron C.F. (2005)
Trace elements in Vostok Antarctic ice during the last four climatic cycles.
in Earth and planetary science letters
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Gabrielli P., Planchon F.A.M., Hong S., Hyun Lee K., Soon Do Hur, Barbante C., Ferrari C.P., Petit J.R., Lipenkov V.Y., Cescon P., Boutron C.F. (literal)
- Pagina inizio
- Pagina fine
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- Il lavoro si propone di ricostruire su larga scala temporale le
sorgenti e le origini degli elementi in traccia apportati sul plateau
antartico con particolare riferimento al contributo di polveri crostali,
aerosol vulcanico e marino.
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- Rivista
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- LÂ’articolo illustra lÂ’andamento delle concentrazioni di vari
elementi in traccia nella carota di ghiaccio antartica di Vostok durante
gli ultimi quattro cicli glaciali.
(literal)
- Note
- ISI Web of Science (WOS) (literal)
- Titolo
- Trace elements in Vostok Antarctic ice during the last four climatic cycles. (literal)
- Abstract
- Li, V, Cr, Mn, Co, As, Rb, Sr, Ba, Bi and U were determined by inductively coupled plasma sector field mass spectrometry
(ICP-SFMS) in various sections of the 3623 m Vostok deep Antarctic ice core dated from 4600 to 410,000 years BP, which
corresponds to the last four climatic cycles back to isotopic stage 11.3. Concentrations of all elements were found to be highly
variable with low values during interglacial periods and warm interstadials and much higher values during the coldest periods of
the last four ice ages. Crustal enrichment factors suggest various sources for the different elements. Rock and soil dust is the
dominant source of V, Mn, Rb, Ba and U whatever the period, and of Li, Cr, Co, Sr and As during cold periods. Sea salt aerosol,
together with aeolian dust, also contributes significantly to Sr whereas volcanic emissions could provide a significant input for
As and Bi especially during warm periods. (literal)
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